278323864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:609

約数の個数: 128

約数和(自身を含む): 697213440

約数和(自身を除く): 418889576

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 43, 52, 56, 68, 86, 91, 104, 119, 136, 172, 182, 221, 238, 301, 344, 364, 442, 476, 523, 559, 602, 728, 731, 884, 952, 1046, 1118, 1204, 1462, 1547, 1768, 2092, 2236, 2408, 2924, 3094, 3661, 3913, 4184, 4472, 5117, 5848, 6188, 6799, 7322, 7826, 8891, 9503, 10234, 12376, 13598, 14644, 15652, 17782, 19006, 20468, 22489, 27196, 29288, 31304, 35564, 38012, 40936, 44978, 47593, 54392, 62237, 66521, 71128, 76024, 89956, 95186, 115583, 124474, 133042, 157423, 179912, 190372, 231166, 248948, 266084, 292357, 314846, 380744, 382313, 462332, 497896, 532168, 584714, 629692, 764626, 809081, 924664, 1169428, 1259384, 1529252, 1618162, 2046499, 2338856, 2676191, 3058504, 3236324, 4092998, 4970069, 5352382, 6472648, 8185996, 9940138, 10704764, 16371992, 19880276, 21409528, 34790483, 39760552, 69580966, 139161932, 278323864]

約数ペア:

[(1, 278323864), (2, 139161932), (4, 69580966), (7, 39760552), (8, 34790483), (13, 21409528), (14, 19880276), (17, 16371992), (26, 10704764), (28, 9940138), (34, 8185996), (43, 6472648), (52, 5352382), (56, 4970069), (68, 4092998), (86, 3236324), (91, 3058504), (104, 2676191), (119, 2338856), (136, 2046499), (172, 1618162), (182, 1529252), (221, 1259384), (238, 1169428), (301, 924664), (344, 809081), (364, 764626), (442, 629692), (476, 584714), (523, 532168), (559, 497896), (602, 462332), (728, 382313), (731, 380744), (884, 314846), (952, 292357), (1046, 266084), (1118, 248948), (1204, 231166), (1462, 190372), (1547, 179912), (1768, 157423), (2092, 133042), (2236, 124474), (2408, 115583), (2924, 95186), (3094, 89956), (3661, 76024), (3913, 71128), (4184, 66521), (4472, 62237), (5117, 54392), (5848, 47593), (6188, 44978), (6799, 40936), (7322, 38012), (7826, 35564), (8891, 31304), (9503, 29288), (10234, 27196), (12376, 22489), (13598, 20468), (14644, 19006), (15652, 17782)]